src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/HotSpotArraySubstitutions.java
changeset 48861 47f19ff9903c
child 50858 2d3e99a72541
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/HotSpotArraySubstitutions.java	Fri Feb 02 17:28:17 2018 -0800
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.hotspot.replacements;
+
+import static org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.INJECTED_VMCONFIG;
+import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.CLASS_ARRAY_KLASS_LOCATION;
+import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.arrayKlassOffset;
+import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.loadKlassFromObject;
+
+import java.lang.reflect.Array;
+
+import org.graalvm.compiler.api.directives.GraalDirectives;
+import org.graalvm.compiler.api.replacements.ClassSubstitution;
+import org.graalvm.compiler.api.replacements.MethodSubstitution;
+import org.graalvm.compiler.nodes.java.DynamicNewArrayNode;
+
+// JaCoCo Exclude
+
+/**
+ * Substitutions for {@link Array} methods.
+ */
+@ClassSubstitution(Array.class)
+public class HotSpotArraySubstitutions {
+
+    @MethodSubstitution
+    public static Object newInstance(Class<?> componentType, int length) {
+        if (componentType == null || loadKlassFromObject(componentType, arrayKlassOffset(INJECTED_VMCONFIG), CLASS_ARRAY_KLASS_LOCATION).isNull()) {
+            // Exit the intrinsic here for the case where the array class does not exist
+            return newInstance(componentType, length);
+        }
+        return DynamicNewArrayNode.newArray(GraalDirectives.guardingNonNull(componentType), length);
+    }
+
+}